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SubjectRe: [PATCH][CFT] per-process namespaces for Linux
On Wed, 28 Feb 2001 13:07:29 -0500 (EST), Alexander Viro <> wrote:

> On Wed, 28 Feb 2001, David L. Parsley wrote:

>> Yeah, mount --bind is cool, I've been using it on one of my projects
>> today. But - maybe I'm just not thinking creatively enough - what are
>> the advantages of mount --bind versus just symlinking?
> 1) Correctly working ".." (obviously relevant only for directories)
> 2) Try to create symlinks on read-only NFS mount. For bonus points, try
> to do that one one client without disturbing everybody else.
> 3) Try to make it different for different users, for that matter.

And disadvantages: you can't have broken symlinks.

This actually turns out to be quite a bit of a problem when one tries
to use bind mounts with autofs. For one thing, it's perfectly legal
to have /autofs/foo as a symlink to /autofs/bar/foo, where /autofs/bar
is not yet mounted -- but a bind mount can't handle that...


It is better to keep your mouth shut and be thought a fool,
than to open it and remove all doubt.
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